Should your home battery join a virtual power plant?

What a VPP does

A virtual power plant coordinates batteries in different homes. The provider can charge or discharge participating batteries within the contract terms to support the grid or respond to electricity prices.

You may receive a joining payment, bill credits or export payments. These arrangements differ between providers. None should be treated as guaranteed savings without reading the conditions.

Capability and participation are different

A battery can be technically capable of joining a VPP without being enrolled in one. For federal support, check the equipment requirements with the Clean Energy Regulator. For an NSW VPP incentive, check the separate eligibility rules and participation contract.

Ask whether the exact battery and inverter combination is supported by your chosen provider. A brand name alone is not enough.

Protect the energy you need at home

If blackout protection matters, ask how the provider respects your backup reserve. Find out when it may discharge the battery and whether you can override that control.

Extra cycling can affect usable capacity over time. Read the warranty conditions for the proposed operating mode rather than assuming all VPP use is covered equally.

Compare the full deal

Calculate the likely annual household bill with and without the offer. Include import rates, daily charges, export credits and any fees. A large joining payment can be offset by a less suitable retail plan.

• How much capacity can the provider access?
• Is a minimum backup reserve guaranteed in the contract?
• Are payments fixed, variable or conditional?
• What happens if the internet connection fails?
• Can you leave, and must any incentive be repaid?